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西北核技术研究所
纸质出版日期:2009-11-01
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[1]张美,彭博栋,盛亮,杜宏亮,魏福利,王培伟,李阳,袁媛,赵吉祯,黎春华.闪烁体-光纤组合式辐射探测器γ相对灵敏度研究[J].核技术,2009,32(11):867-871.
ZHANG Mei PENG Bodong SHENG Liang DU Hongliang WEI Fuli WANG Peiwei LI Yang YUAN Yuan ZHAO Jizhen LI Chunhua. Study on relative gamma sensitivity of scintillator-fiber detector[J]. Nuclear techniques, 2009, 32(11): 867-871.
[1]张美,彭博栋,盛亮,杜宏亮,魏福利,王培伟,李阳,袁媛,赵吉祯,黎春华.闪烁体-光纤组合式辐射探测器γ相对灵敏度研究[J].核技术,2009,32(11):867-871. DOI:
ZHANG Mei PENG Bodong SHENG Liang DU Hongliang WEI Fuli WANG Peiwei LI Yang YUAN Yuan ZHAO Jizhen LI Chunhua. Study on relative gamma sensitivity of scintillator-fiber detector[J]. Nuclear techniques, 2009, 32(11): 867-871. DOI:
根据光纤光导的耦合理论
推导了闪烁体-光纤组合式探测器γ灵敏度理论公式
计算了LSO、ST401两种闪烁体-光纤探测器的相对灵敏度
在平均能量为1.25MeV的60Co射线源上测得10mm厚LSO闪烁体-光纤组合式探测器的灵敏度是相同厚度ST401的19倍
理论计算和实验结果在不确定度范围内一致。
This work is aimed at developing the technique of multi-channel scintillator-fiber detector.In this paper
theoretical gamma sensitivity of a fiber detector was formulated for calculating the relative sensitivity of LSO and ST401 scintillator-fiber detectors.Outcomes of the calculation were validated by experiment with a 60 Co source.The results show that sensitivity of an LSO scintillator-fiber detector of 10-mm thicknesd is about 19 times higher than the system using ST401 with the same size of LSO detector.The theoretical results agree with the experimental data.
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